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Commit a283c011 authored by Wey-Yi Guy's avatar Wey-Yi Guy Committed by John W. Linville
Browse files

iwlwifi: add led debugfs function 



Adding debugfs file to show current led blinking rate
/sys/kernel/debug/ieee80211/phy0/iwlagn/data/led

Signed-off-by: default avatarWey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: default avatarReinette Chatre <reinette.chatre@intel.com>
Signed-off-by: default avatarJohn W. Linville <linville@tuxdriver.com>
parent 2d1bb9e5

drivers/net/wireless/iwlwifi/iwl-debug.h

+3 −0
Original line number Diff line number Diff line
@@ -83,6 +83,9 @@ struct iwl_debugfs { 
		struct dentry *file_status;

		struct dentry *file_interrupt;

		struct dentry *file_qos;

#ifdef CONFIG_IWLWIFI_LEDS

		struct dentry *file_led;

#endif

	} dbgfs_data_files;

	struct dir_rf_files {

		struct dentry *file_disable_sensitivity;

drivers/net/wireless/iwlwifi/iwl-debugfs.c

+36 −0
Original line number Diff line number Diff line
@@ -591,6 +591,33 @@ static ssize_t iwl_dbgfs_qos_read(struct file *file, char __user *user_buf, 
	return ret;

}



#ifdef CONFIG_IWLWIFI_LEDS

static ssize_t iwl_dbgfs_led_read(struct file *file, char __user *user_buf,

				  size_t count, loff_t *ppos)

{

	struct iwl_priv *priv = (struct iwl_priv *)file->private_data;

	int pos = 0;

	char buf[256];

	const size_t bufsz = sizeof(buf);

	ssize_t ret;



	pos += scnprintf(buf + pos, bufsz - pos,

			 "allow blinking: %s\n",

			 (priv->allow_blinking) ? "True" : "False");

	if (priv->allow_blinking) {

		pos += scnprintf(buf + pos, bufsz - pos,

				 "Led blinking rate: %u\n",

				 priv->last_blink_rate);

		pos += scnprintf(buf + pos, bufsz - pos,

				 "Last blink time: %lu\n",

				 priv->last_blink_time);

	}



	ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);

	return ret;

}

#endif



DEBUGFS_READ_WRITE_FILE_OPS(sram);

DEBUGFS_WRITE_FILE_OPS(log_event);

DEBUGFS_READ_FILE_OPS(nvm);
@@ -601,6 +628,9 @@ DEBUGFS_READ_FILE_OPS(channels); 
DEBUGFS_READ_FILE_OPS(status);

DEBUGFS_READ_WRITE_FILE_OPS(interrupt);

DEBUGFS_READ_FILE_OPS(qos);

#ifdef CONFIG_IWLWIFI_LEDS

DEBUGFS_READ_FILE_OPS(led);

#endif



/*

 * Create the debugfs files and directories
@@ -638,6 +668,9 @@ int iwl_dbgfs_register(struct iwl_priv *priv, const char *name) 
	DEBUGFS_ADD_FILE(status, data);

	DEBUGFS_ADD_FILE(interrupt, data);

	DEBUGFS_ADD_FILE(qos, data);

#ifdef CONFIG_IWLWIFI_LEDS

	DEBUGFS_ADD_FILE(led, data);

#endif

	DEBUGFS_ADD_BOOL(disable_sensitivity, rf, &priv->disable_sens_cal);

	DEBUGFS_ADD_BOOL(disable_chain_noise, rf,

			 &priv->disable_chain_noise_cal);
@@ -673,6 +706,9 @@ void iwl_dbgfs_unregister(struct iwl_priv *priv) 
	DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_status);

	DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_interrupt);

	DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_qos);

#ifdef CONFIG_IWLWIFI_LEDS

	DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_led);

#endif

	DEBUGFS_REMOVE(priv->dbgfs->dir_data);

	DEBUGFS_REMOVE(priv->dbgfs->dbgfs_rf_files.file_disable_sensitivity);

	DEBUGFS_REMOVE(priv->dbgfs->dbgfs_rf_files.file_disable_chain_noise);